/******************************************************************************
 * Spine Runtimes License Agreement
 * Last updated January 1, 2020. Replaces all prior versions.
 *
 * Copyright (c) 2013-2020, Esoteric Software LLC
 *
 * Integration of the Spine Runtimes into software or otherwise creating
 * derivative works of the Spine Runtimes is permitted under the terms and
 * conditions of Section 2 of the Spine Editor License Agreement:
 * http://esotericsoftware.com/spine-editor-license
 *
 * Otherwise, it is permitted to integrate the Spine Runtimes into software
 * or otherwise create derivative works of the Spine Runtimes (collectively,
 * "Products"), provided that each user of the Products must obtain their own
 * Spine Editor license and redistribution of the Products in any form must
 * include this license and copyright notice.
 *
 * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
 * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/

package com.esotericsoftware.spine.attachments;

import com.esotericsoftware.spine.PathConstraint;
import org.joml.Vector4f;
import static com.esotericsoftware.spine.utils.SpineUtils.ArrayListcopy;

/** An attachment whose vertices make up a composite Bezier curve.
 * <p>
 * See {@link PathConstraint} and <a href="http://esotericsoftware.com/spine-paths">Paths</a>
 * in the Spine User Guide. */
public class PathAttachment extends VertexAttachment {
    float[] lengths;
    boolean closed, constantSpeed;

    // Nonessential.
    final Vector4f color = new Vector4f(1, 0.5f, 0, 1); // ff7f00ff

    public PathAttachment(String name) {
        super(name);
    }

    /** If true, the start and end knots are connected. */
    public boolean getClosed() {
        return closed;
    }

    public void setClosed(boolean closed) {
        this.closed = closed;
    }

    /** If true, additional calculations are performed to make calculating positions along the path more accurate. If
	 *  false, fewer
     * calculations are performed but calculating positions along the path is less accurate. */
    public boolean getConstantSpeed() {
        return constantSpeed;
    }

    public void setConstantSpeed(boolean constantSpeed) {
        this.constantSpeed = constantSpeed;
    }

    /** The lengths along the path in the setup pose from the start of the path to the end of each Bezier curve. */
    public float[] getLengths() {
        return lengths;
    }

    public void setLengths(float[] lengths) {
        this.lengths = lengths;
    }

    /** The color of the path as it was in Spine. Available only when nonessential data was exported. Paths are not
	 * usually
     * rendered at runtime. */
    public Vector4f getColor() {
        return color;
    }

    @Override
    public Attachment copy() {
        PathAttachment copy = new PathAttachment(name);
        copyTo(copy);
        copy.lengths = new float[lengths.length];
        ArrayListcopy(lengths, 0, copy.lengths, 0, lengths.length);
        copy.closed = closed;
        copy.constantSpeed = constantSpeed;
        copy.color.set(color);
        return copy;
    }
}
